Home / 1,447,510.46-2,170,634.88-487,787.21

Finding the Fourth Proportional to 1,447,510.46, 2,170,634.88 and 487,787.21

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Solution

The fourth proportional to 1,447,510.46, 2,170,634.88 and 487,787.21 is: 731,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,510.46 : 2,170,634.88 = 487,787.21 : x
  2. Step 2: Convert to fraction form
    1,447,510.46/2,170,634.88 = 487,787.21/x
  3. Step 3: Cross multiply
    1,447,510.46x = 2,170,634.88 × 487,787.21
  4. Step 4: Simplify right side
    1,447,510.46x = 1,058,807,921,190.71
  5. Step 5: Solve for x
    x = 1,058,807,921,190.71/1,447,510.46
  6. Step 6: Final answer
    x = 731,468.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.